now i know slowbird and colin have there heads milled on hte deck face im jsut wondering if anyone knows how much to mill off?and u have to use the .040 thick Iron Head 2.8L head gaskets i believe?anyone know what the compression would be at after this?



FDP 62MM TB, FFP Performance Chip, FFP Underdrive Pully, WAI, Hi Flow Cat, 2.5" Catback, Functional Ram Air Hood, Centerforce Dual Friction Clutch

id take the 3x00 heads down as little as posable, on mine i used that headgaskit and i left them alone, rember with the 3x00 motors your already at 9.5:1 already. perfact for boost.

chris


'02 Z-24 Supercharged
13.7 @102.45 MPH Third Place, 2007 GMSC Bash SOLD AS OF 01MAR08

im not boosting my motor though as the cam im gettin doesnt recommened it

and this will be for my 3.1/3400 hybrid



FDP 62MM TB, FFP Performance Chip, FFP Underdrive Pully, WAI, Hi Flow Cat, 2.5" Catback, Functional Ram Air Hood, Centerforce Dual Friction Clutch